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How long is a folding wooden ruler?

How long is a folding wooden ruler?

It is 2m (almost 80″) long overall and folds to only 8 5/16″, small enough to carry in a tool belt or apron pocket. Once a common tool, a good-quality folding rule is becoming harder to find.

How long is a folding ruler?

Compare Similar Rulers and Yardsticks

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Assembled Height (in.) 8 in 8 in 0.625 in
Unit of Length Inch Inch Inch
Assembled Depth (in.) .75 in 0.75 in 1.375 in
Hand Tool Type Ruler Ruler Ruler

Are folding rulers good?

The reason a folding rule is still used is because for the things it’s used for, it has some advantages over tape measures. It’s a no-brainer that folding rules are used for measuring, but it’s the conditions of the measuring that make this tool great to have on hand.

What is zig zag ruler?

zigzag rule in American English noun. a rule composed of light strips of wood joined by rivets so as to be foldable, all the opening and closing parts being in parallel planes. Also called: folding rule.

What is a wooden folding rule marked in?

These rules are often divided into 150 mm (6″), 200 mm (8″) or 250 mm (10″) sections. They are typically marked with either metric or imperial measurements or both.

How did they measure distance in 1800s?

An early method of measuring miles was to tie a ribbon to a spoke of a wheel, then count the wheel revolutions. This was tedious, and necessity being the mother of invention, the odometer (a.k.a. Roadometer) was invented by Mormon pioneer William Clayton. He used it while crossing the plains in 1847. It used two gears.

Who invented the first folding ruler?

One of the more popular rulers for carpenters is the folding rule, invented by Anton Ullrich in 1851. The folding rule consisted of smaller six-inch rulers that were joined together by pivoting hinges and could extend to a length of over six feet.